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Finding the Fourth Proportional to 63,471.49, 87,570.07 and 37,632.08

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Solution

The fourth proportional to 63,471.49, 87,570.07 and 37,632.08 is: 51,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.49 : 87,570.07 = 37,632.08 : x
  2. Step 2: Convert to fraction form
    63,471.49/87,570.07 = 37,632.08/x
  3. Step 3: Cross multiply
    63,471.49x = 87,570.07 × 37,632.08
  4. Step 4: Simplify right side
    63,471.49x = 3,295,443,879.85
  5. Step 5: Solve for x
    x = 3,295,443,879.85/63,471.49
  6. Step 6: Final answer
    x = 51,920.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.